package com.shaoyu.elasticsearch.util;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @Description:
 * @Author: shaoyu1
 * @Date Create in 2018/6/25 16:43
 */
@Component
public class BeanUtil implements ApplicationContextAware{

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException{
        BeanUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String name) throws BeansException {
        return applicationContext.getBean(name);
    }

    public static <T> T getBean(Class<T> requiredType) throws BeansException {
        return applicationContext.getBean(requiredType);
    }
    public static <T> Object getBean(String name, Class<T> requiredType) throws BeansException {
        return applicationContext.getBean(name, requiredType);
    }
    public static boolean containsBean(String name) {
        return applicationContext.containsBean(name);
    }

    public static boolean isSingleton(String name){
        return applicationContext.isSingleton(name);
    }
}
